Home / 3,939.59-5,438.19-2,367.38

Finding the Fourth Proportional to 3,939.59, 5,438.19 and 2,367.38

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Solution

The fourth proportional to 3,939.59, 5,438.19 and 2,367.38 is: 3,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.59 : 5,438.19 = 2,367.38 : x
  2. Step 2: Convert to fraction form
    3,939.59/5,438.19 = 2,367.38/x
  3. Step 3: Cross multiply
    3,939.59x = 5,438.19 × 2,367.38
  4. Step 4: Simplify right side
    3,939.59x = 12,874,235.05
  5. Step 5: Solve for x
    x = 12,874,235.05/3,939.59
  6. Step 6: Final answer
    x = 3,267.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.